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| Number | Title | Issue Date |
| 7601005 | Distributor structured for a 360-degree rotary ceiling fan A distributor structured for a 360-degree rotary ceiling fan comprises a main housing with an outer shell and a pedestal, a central shaft passing through the outer shell and the pedestal, and a power distribution ring unit around the central shaft in the main housin... | 10/13/2009 |
| 7037126 | Rotary joint for fluid electricity The present invention is directed to a rotary joint that includes a power slip ring and an electric signal slip ring, both for passing electricity between a stator and a rotor The system includes a plurality of slip rings (21,31) and a plurality of circumfere... | 05/02/2006 |
| 6335510 | Welding robot An improved welding robot has the power fed to the welding nozzle through a slip-ring assembly so that the power cable does not have to rotate as the welding nozzle rotates during a circular welding process.... | 01/01/2002 |
| 6265803 | Unlimited rotation vacuum isolation wire feedthrough A coaxial drive employs a base member which is secured to a housing and is open to atmosphere and mounts rotatably an interior drive shaft about said base member so that rotation of the drive member in either direction in a full 360° circle. An electrica... | 07/24/2001 |
| 5923114 | Brushless slip ring using rolling elements as electrical conductors A brushless slip ring includes a housing, a plurality of annular spaces disposed in the housing and spaced apart along a common longitudinal axis, and a cageless assembly of electrically conductive spherical balls freely rotatably disposed in each of the ... | 07/13/1999 |
| 5777410 | Motor actuator and method of making the same A first conductive plate is formed integrally of a single conductive sheet comprising a plurality of brushes and power supply terminals that are partially short-circuited, and a second conductive plate is formed integrally of a single conductive sheet com... | 07/07/1998 |
| 5542850 | Pivotal electrical connector A pivotal plug and receptacle connector assembly (10) is disclosed. The plug housing (40) has an opening (48) at each end formed integral thereto that engage hinge pins (142,144) extending from opposite ends of the mating receptacle housing (100). The hin... | 08/06/1996 |
| 5494447 | Hinge assembly for electronic devices A hinge assembly for interconnecting and stably supporting the parts of an electronic device while enhancing the three-dimensional adjustability of the position of the device's parts. The hinge assembly provides for lineal adjustment of each device part u... | 02/27/1996 |
| 5470236 | Rotating joint for aerial ladders The apparatus is a rotating electrical coupling for use at the base of an aerial ladder which furnishes water, hydraulic controls and electrical lines to the top of the rotating ladder. The electrical coupling uses multiple, concentric, printed circuit ty... | 11/28/1995 |
| 5013224 | Fan assembly A fan assembly includes a statonary support holding a rotary support operated by a motor for turning 360 degrees about a vertical axis and a plurality of fan units mounted on the rotary support. First conductors are provided to connect the motor and the f... | 05/07/1991 |
| 4850880 | Anti-tangle swivel electrical connector A device having two separate sets of contacts and a pivotal axis allowing 360° of rotational freedom between the two sets of contacts. The device is designed to provide the release of radial mechanical energy, stored in a coiled cord due to repeated twis... | 07/25/1989 |
| 4623203 | Commutator A stepping commutator is provided for supplying power to a plurality of electrode plates mounted on a rotating shaft. The commutator comprises a central annular plate which is fixed to the shaft. The plate has a ring of cylindrical stationary contacts mou... | 11/18/1986 |
| 4576085 | Slip ring assembly The invention disclosed herein relates to an armored vehicle having a rotatable coupola or turret for rotating a weapons system to the target. The turret includes a depending cage for housing personnel which operates the various electrical and manual equi... | 03/18/1986 |
| 4034177 | Plunger-actuated, lost motion switch with tactile feedback A plunger actuated, electrical switch uses a lost motion mechanism to prevent the switch from making and breaking contact more than once for each plunger depression. The plunger drives a contact element from a rest position to a contact position where ele... | 07/05/1977 |
